| Paper: | AE-P5.3 | ||
| Session: | Applications to Music II | ||
| Time: | Friday, May 21, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Applications to Music | ||
| Title: | COMPARING FEATURES FOR FORMING MUSIC STREAMS IN AUTOMATIC MUSIC TRANSCRIPTION | ||
| Authors: | Yohei Sakuraba; Kyoto University | ||
| Tetsuro Kitahara; Kyoto University | |||
| Hiroshi G. Okuno; Kyoto University | |||
| Abstract: | This paper describes music stream (a temporal sequence of notes played by the same instrument) formation in polyphonic music. Previous stdies have used timbres of musical instruments as a feature for this formation. However when two or more frequency components are superimposed in the same frequency, timbre extraction deteriorates because features such as the power envelope are blurred. In our previous paper, we integrated timbre similarity and direction proximity, but left using other features as future work. In this paper, we deal with four features, timbre similarity, direction proximity, pitch transition and pitch relation consistency and clarify the predominancy of the four features. Experimental results with quartet music show that direction proximity is the most dominant feature, and pitch transition is the secondary. The performance of music stream formation was improved from 63.3% by only timbre similarity to 84.9% by integrating four features. | ||
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